Cacti 1.2.8 Cooikie graph_realtime.php os command injection

Summaryinfo

A vulnerability was found in Cacti 1.2.8. It has been classified as critical. The impacted element is an unknown function of the file graph_realtime.php of the component Cooikie Handler. This manipulation causes os command injection. This vulnerability is handled as CVE-2020-8813. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in Cacti 1.2.8 (Log Management Software) and classified as critical. Affected by this vulnerability is an unknown code block of the file graph_realtime.php of the component Cooikie Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

graph_realtime.php in Cacti 1.2.8 allows remote attackers to execute arbitrary OS commands via shell metacharacters in a cookie, if a guest user has the graph real-time privilege.

The weakness was released 02/22/2020. This vulnerability is known as CVE-2020-8813 since 02/07/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

A public exploit has been developed by Askar in Python and been published before and not just after the advisory. It is possible to download the exploit at shells.systems. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:graph_realtime.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48144). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Log Management Software

Name

• Cacti

Version

• 1.2.8

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion